You need to configure the WLAN client utility on a new machine. Which two of the following are true regarding this utility？ （）
- AThe Aironet Desktop Utility （ADU） can be used to enable or disable the adapter radio and to configure LEAP authentication with dynamic WEP.
- BIn Windows XP environment， a client adapter can only be configured and managed with the Microsoft Configuration Manager.
- CThe Microsoft Wireless Configuration Manager can be configured to display the Aironet System Tray Utility （ASTU） icon in the Windows system tray.
- DThe Cisco Aironet Desktop Utility （ADU） and the Microsoft Wirelss Configuration Manager can both be enabled at the same time to setup WLAN client cards.